Panel support stand



FIG. 1 is a front perspective view of the panel support stand, the dashed line representation of a fragmented portion of a panel is for illustrative purposes only and does not form any part of the claimed design;

FIG. 2 is a front perspective view of the panel support stand in its collapsed state;

FIG. 3 is a left side elevation view of the panel support stand;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a rear elevation view thereof. 

The ornamental design for a panel support stand, as shown and described. 